publication . Report . 2015

REIMEP-22 U age dating - Determination of the production date of a uranium certified test sample Inter-laboratory comparison, Report to participants

VENCHIARUTTI CELIA; VARGA ZSOLT; RICHTER Stephan; NICHOLL Adrian; KRAJKO JUDIT; JAKOPIC Rozle; MAYER Klaus; AREGBE Yetunde;
Open Access English
  • Published: 01 Jan 2015
  • Publisher: Publications Office of the European Union
Abstract
The REIMEP-22 inter-laboratory comparison (ILC) "U Age Dating - Determination of the production date of a uranium certified test sample" was organised by JRC-IRMM as support to the Nuclear Forensics International Technical Working Group (ITWG) This ILC was organised prior to the release of the candidate certified reference material IRMM-1000, produced in cooperation with JRC-ITU. The aim of REIMEP-22 was to determine the production date of the uranium certified test sample (i.e. the last chemical separation date of the material) using the disequilibrium between the 230Th-234U and 231Pa-235U nuclides as chronometers. The first was compulsory, the latter optional....
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